On Wed, Oct 21, 2009 at 3:07 PM, Leonidas . <leonidas137@xxxxxxxxx> wrote: > On Thu, Oct 22, 2009 at 12:26 AM, Leonidas . <leonidas137@xxxxxxxxx> wrote: >> What would be an ideal way to check if a process/thread is running or sleeping >> or it is dead from kernel space? >> >> Basically, check whether a process is alive, then determine its status. >> >> -Leo. >> > > E.g. My module wants to do some cleanup after a thread exits after calling > pthread_exit(). The only way my module can know about it by looking in to list > of processes but this is not a foolproof since the pid can be recycled. > > > -Leo. > Hi Leo, I never did this, but I found it on the internets, so it must be ok ... <quote> task_t *p; read_lock(&tasklist_lock); for_each_process(p) { if ( strcmp (p->comm, $your-daemon-name) == 0) break; } read_unlock(&tasklist_lock); sounds not a good idea. Smile </quote> But, maybe it gives you some ideas? -bob -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ